SX460 is a half-wave phase-controlled thyristor type automatic voltage (AVR) and froms part of the excitation system for a bruch-less generator.
In addition to regulating the generator voltage, the AVR circuitry includes under-speed and sensing loss protection features. Excitation power is derived directly from the generator terminals.
Postive voltage build up from residual leves is ensured by the use of efficient semiconductors in the power circuitry of the AVR.
Voltage: 220V AC Jumper selectable
Frequency: 50-60Hz nominal
Voltage: max 90V DC at 207V AC Input
Current: continuous 4 A DC
Resistance: 15 ohms minimum
Typical system response:
AVR response: 20ms
Filed current to 90%: 80ms
Machine volts to 97%: 300ms
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